Casting
Introduction to metal casting, types of patterns, their materials and allowances. Moulding
materials: Moulding sand compositions and moulding sand properties, types of moulds,
moulding machines cores, core sands, types of cores, core banking, elements of gating system,
and risers. Casting processes: sand casting, shell mould casting, investment casting, permanent
mould casting, full mould casting, and vacuum casting. Die casting, Centrifugal casting and
continuous casting. Casting defects, their causes and remedies.
Welding
Welding introduction and classification of welding processes, welding terminology, welding
positions, filler metals. Flame cutting. Electric arc welding. Principle, equipment, types- MIG,
TIG, submerged arc welding. Welding electrodes, classification and selection of electrodes,
welding arc and its characteristics. Thermal effects on weldment Resistance welding- principle
and their types i.e. spot, seam, projection, upset and flash thermit welding, electro slag
welding, friction welding, plasma arc welding, electron beam welding. Welding defects, their
causes and remedies.
Metal Forming:Classification, Process Principles, Description, Applications and Products of the
Following: Rolling , Drawing, Forging, Extrusion, Sheet Metal, Spinning, Deep Drawing, Bending,
Press
working, Plastic moulding machines and extruders.
Metal Cutting and Machine Tools: Cutting tool materials and geometry, Coolants:
Classification, purpose and their effects, Introduction to broaching machine, Milling machine
and its classification, indexing: Simple compound and differential, Boring Operation and their
machines, Jig Boring, Slotting Machine, Grinding: Cylindrical, surface and centreless grinding.
Introduction to Non Traditional Machining; Working Principle and applications of the
following:Electric Discharge Machining, Laser Beam Machining, Abrasive Water Jet Machining,
Abrasive